# Glossary

**Attestor** - Independent nodes that monitor Bitcoin, verify deposits and burns, and participate in the governance process to approve transactions.

**CBTC** - A 1:1 wrapped Bitcoin token built for secure trading and bridging on Canton.

**Burn** - The process of destroying CBTC tokens on Canton to initiate Bitcoin withdrawal.

**Coordinator** - The service that executes periodic checks, monitors deposits, and coordinates with Attestors.

**DepositAccount (DA)** - A Canton contract template that represents a deposit account, with each DA having a unique ID that deterministically maps to a Bitcoin deposit address.

**Mint** - The process of creating new CBTC tokens on Canton after confirmed Bitcoin deposits.

**Periodic Check (PC)** - A recurring process executed by the Coordinator every 60 to 120 seconds to trigger actions based on Bitcoin and Canton data.

**WithdrawAccount (WA)** - A Canton contract template representing a withdrawal account that stores a user-defined destination Bitcoin address.

**WithdrawRequest (WDR)** - A Canton contract template instantiated during withdrawal processing, containing the withdrawal amount, Bitcoin transaction ID, and destination address.


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